Compare 1721 vs 2141
| Property | 1721 | 2141 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 17211 | 21411 |
| Prime factorization | 1721 | 2141 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1721 | 1, 2141 |
| Number of properties | 6 | 8 |
| Additive primes | 143rd | |
| Chen primes | 169th | 197th |
| Cousin primes (2nd member) | 67th | |
| Long primes | 124th | |
| Primes | 268th | 323rd |
| Prime triplets (2nd member) | 53rd | |
| Pythagorean primes | 130th | 157th |
| Sophie germain primes | 66th | |
| Twin primes (1st member) | 55th | 67th |
| Ulam primes | 25th | |
| Roman numberals | MDCCXXI | MMCXLI |
| Base 2 | 110101110012 | 1000010111012 |
| Base 3 | 21002023 | 22210223 |
| Base 4 | 1223214 | 2011314 |
| Base 5 | 233415 | 320315 |
| Base 6 | 115456 | 135256 |
| Base 7 | 50067 | 61467 |
| Base 8 | 32718 | 41358 |
| Base 9 | 23229 | 28389 |
| Base 10 | 172110 | 214110 |
| Base 11 | 132511 | 167711 |
| Base 12 | bb512 | 12a512 |
| Base 13 | a2513 | c8913 |
| Base 14 | 8ad14 | acd14 |
| Base 15 | 79b15 | 97b15 |
| Base 16 | 6b916 | 85d16 |